| 1 | /* |
| 2 | * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> |
| 3 | * Copyright (c) 2013 Janne Grunau <janne-libav@jannau.net> |
| 4 | * |
| 5 | * This file is part of FFmpeg. |
| 6 | * |
| 7 | * FFmpeg is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Lesser General Public |
| 9 | * License as published by the Free Software Foundation; either |
| 10 | * version 2.1 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * FFmpeg is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Lesser General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Lesser General Public |
| 18 | * License along with FFmpeg; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | */ |
| 21 | |
| 22 | #include "libavutil/aarch64/asm.S" |
| 23 | |
| 24 | /* chroma_mc8(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */ |
| 25 | .macro h264_chroma_mc8 type, codec=h264 |
| 26 | function ff_\type\()_\codec\()_chroma_mc8_neon, export=1 |
| 27 | sxtw x2, w2 |
| 28 | .ifc \type,avg |
| 29 | mov x8, x0 |
| 30 | .endif |
| 31 | prfm pldl1strm, [x1] |
| 32 | prfm pldl1strm, [x1, x2] |
| 33 | .ifc \codec,rv40 |
| 34 | movrel x6, rv40bias |
| 35 | lsr w9, w5, #1 |
| 36 | lsr w10, w4, #1 |
| 37 | lsl w9, w9, #3 |
| 38 | lsl w10, w10, #1 |
| 39 | add w9, w9, w10 |
| 40 | add x6, x6, w9, UXTW |
| 41 | ld1r {v22.8H}, [x6] |
| 42 | .endif |
| 43 | .ifc \codec,vc1 |
| 44 | movi v22.8H, #28 |
| 45 | .endif |
| 46 | mul w7, w4, w5 |
| 47 | lsl w14, w5, #3 |
| 48 | lsl w13, w4, #3 |
| 49 | cmp w7, #0 |
| 50 | sub w6, w14, w7 |
| 51 | sub w12, w13, w7 |
| 52 | sub w4, w7, w13 |
| 53 | sub w4, w4, w14 |
| 54 | add w4, w4, #64 |
| 55 | b.eq 2f |
| 56 | |
| 57 | dup v0.8B, w4 |
| 58 | dup v1.8B, w12 |
| 59 | ld1 {v4.8B, v5.8B}, [x1], x2 |
| 60 | dup v2.8B, w6 |
| 61 | dup v3.8B, w7 |
| 62 | ext v5.8B, v4.8B, v5.8B, #1 |
| 63 | 1: ld1 {v6.8B, v7.8B}, [x1], x2 |
| 64 | umull v16.8H, v4.8B, v0.8B |
| 65 | umlal v16.8H, v5.8B, v1.8B |
| 66 | ext v7.8B, v6.8B, v7.8B, #1 |
| 67 | ld1 {v4.8B, v5.8B}, [x1], x2 |
| 68 | umlal v16.8H, v6.8B, v2.8B |
| 69 | prfm pldl1strm, [x1] |
| 70 | ext v5.8B, v4.8B, v5.8B, #1 |
| 71 | umlal v16.8H, v7.8B, v3.8B |
| 72 | umull v17.8H, v6.8B, v0.8B |
| 73 | subs w3, w3, #2 |
| 74 | umlal v17.8H, v7.8B, v1.8B |
| 75 | umlal v17.8H, v4.8B, v2.8B |
| 76 | umlal v17.8H, v5.8B, v3.8B |
| 77 | prfm pldl1strm, [x1, x2] |
| 78 | .ifc \codec,h264 |
| 79 | rshrn v16.8B, v16.8H, #6 |
| 80 | rshrn v17.8B, v17.8H, #6 |
| 81 | .else |
| 82 | add v16.8H, v16.8H, v22.8H |
| 83 | add v17.8H, v17.8H, v22.8H |
| 84 | shrn v16.8B, v16.8H, #6 |
| 85 | shrn v17.8B, v17.8H, #6 |
| 86 | .endif |
| 87 | .ifc \type,avg |
| 88 | ld1 {v20.8B}, [x8], x2 |
| 89 | ld1 {v21.8B}, [x8], x2 |
| 90 | urhadd v16.8B, v16.8B, v20.8B |
| 91 | urhadd v17.8B, v17.8B, v21.8B |
| 92 | .endif |
| 93 | st1 {v16.8B}, [x0], x2 |
| 94 | st1 {v17.8B}, [x0], x2 |
| 95 | b.gt 1b |
| 96 | ret |
| 97 | |
| 98 | 2: adds w12, w12, w6 |
| 99 | dup v0.8B, w4 |
| 100 | b.eq 5f |
| 101 | tst w6, w6 |
| 102 | dup v1.8B, w12 |
| 103 | b.eq 4f |
| 104 | |
| 105 | ld1 {v4.8B}, [x1], x2 |
| 106 | 3: ld1 {v6.8B}, [x1], x2 |
| 107 | umull v16.8H, v4.8B, v0.8B |
| 108 | umlal v16.8H, v6.8B, v1.8B |
| 109 | ld1 {v4.8B}, [x1], x2 |
| 110 | umull v17.8H, v6.8B, v0.8B |
| 111 | umlal v17.8H, v4.8B, v1.8B |
| 112 | prfm pldl1strm, [x1] |
| 113 | .ifc \codec,h264 |
| 114 | rshrn v16.8B, v16.8H, #6 |
| 115 | rshrn v17.8B, v17.8H, #6 |
| 116 | .else |
| 117 | add v16.8H, v16.8H, v22.8H |
| 118 | add v17.8H, v17.8H, v22.8H |
| 119 | shrn v16.8B, v16.8H, #6 |
| 120 | shrn v17.8B, v17.8H, #6 |
| 121 | .endif |
| 122 | prfm pldl1strm, [x1, x2] |
| 123 | .ifc \type,avg |
| 124 | ld1 {v20.8B}, [x8], x2 |
| 125 | ld1 {v21.8B}, [x8], x2 |
| 126 | urhadd v16.8B, v16.8B, v20.8B |
| 127 | urhadd v17.8B, v17.8B, v21.8B |
| 128 | .endif |
| 129 | subs w3, w3, #2 |
| 130 | st1 {v16.8B}, [x0], x2 |
| 131 | st1 {v17.8B}, [x0], x2 |
| 132 | b.gt 3b |
| 133 | ret |
| 134 | |
| 135 | 4: ld1 {v4.8B, v5.8B}, [x1], x2 |
| 136 | ld1 {v6.8B, v7.8B}, [x1], x2 |
| 137 | ext v5.8B, v4.8B, v5.8B, #1 |
| 138 | ext v7.8B, v6.8B, v7.8B, #1 |
| 139 | prfm pldl1strm, [x1] |
| 140 | subs w3, w3, #2 |
| 141 | umull v16.8H, v4.8B, v0.8B |
| 142 | umlal v16.8H, v5.8B, v1.8B |
| 143 | umull v17.8H, v6.8B, v0.8B |
| 144 | umlal v17.8H, v7.8B, v1.8B |
| 145 | prfm pldl1strm, [x1, x2] |
| 146 | .ifc \codec,h264 |
| 147 | rshrn v16.8B, v16.8H, #6 |
| 148 | rshrn v17.8B, v17.8H, #6 |
| 149 | .else |
| 150 | add v16.8H, v16.8H, v22.8H |
| 151 | add v17.8H, v17.8H, v22.8H |
| 152 | shrn v16.8B, v16.8H, #6 |
| 153 | shrn v17.8B, v17.8H, #6 |
| 154 | .endif |
| 155 | .ifc \type,avg |
| 156 | ld1 {v20.8B}, [x8], x2 |
| 157 | ld1 {v21.8B}, [x8], x2 |
| 158 | urhadd v16.8B, v16.8B, v20.8B |
| 159 | urhadd v17.8B, v17.8B, v21.8B |
| 160 | .endif |
| 161 | st1 {v16.8B}, [x0], x2 |
| 162 | st1 {v17.8B}, [x0], x2 |
| 163 | b.gt 4b |
| 164 | ret |
| 165 | |
| 166 | 5: ld1 {v4.8B}, [x1], x2 |
| 167 | ld1 {v5.8B}, [x1], x2 |
| 168 | prfm pldl1strm, [x1] |
| 169 | subs w3, w3, #2 |
| 170 | umull v16.8H, v4.8B, v0.8B |
| 171 | umull v17.8H, v5.8B, v0.8B |
| 172 | prfm pldl1strm, [x1, x2] |
| 173 | .ifc \codec,h264 |
| 174 | rshrn v16.8B, v16.8H, #6 |
| 175 | rshrn v17.8B, v17.8H, #6 |
| 176 | .else |
| 177 | add v16.8H, v16.8H, v22.8H |
| 178 | add v17.8H, v17.8H, v22.8H |
| 179 | shrn v16.8B, v16.8H, #6 |
| 180 | shrn v17.8B, v17.8H, #6 |
| 181 | .endif |
| 182 | .ifc \type,avg |
| 183 | ld1 {v20.8B}, [x8], x2 |
| 184 | ld1 {v21.8B}, [x8], x2 |
| 185 | urhadd v16.8B, v16.8B, v20.8B |
| 186 | urhadd v17.8B, v17.8B, v21.8B |
| 187 | .endif |
| 188 | st1 {v16.8B}, [x0], x2 |
| 189 | st1 {v17.8B}, [x0], x2 |
| 190 | b.gt 5b |
| 191 | ret |
| 192 | endfunc |
| 193 | .endm |
| 194 | |
| 195 | /* chroma_mc4(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */ |
| 196 | .macro h264_chroma_mc4 type, codec=h264 |
| 197 | function ff_\type\()_\codec\()_chroma_mc4_neon, export=1 |
| 198 | sxtw x2, w2 |
| 199 | .ifc \type,avg |
| 200 | mov x8, x0 |
| 201 | .endif |
| 202 | prfm pldl1strm, [x1] |
| 203 | prfm pldl1strm, [x1, x2] |
| 204 | .ifc \codec,rv40 |
| 205 | movrel x6, rv40bias |
| 206 | lsr w9, w5, #1 |
| 207 | lsr w10, w4, #1 |
| 208 | lsl w9, w9, #3 |
| 209 | lsl w10, w10, #1 |
| 210 | add w9, w9, w10 |
| 211 | add x6, x6, w9, UXTW |
| 212 | ld1r {v22.8H}, [x6] |
| 213 | .endif |
| 214 | .ifc \codec,vc1 |
| 215 | movi v22.8H, #28 |
| 216 | .endif |
| 217 | mul w7, w4, w5 |
| 218 | lsl w14, w5, #3 |
| 219 | lsl w13, w4, #3 |
| 220 | cmp w7, #0 |
| 221 | sub w6, w14, w7 |
| 222 | sub w12, w13, w7 |
| 223 | sub w4, w7, w13 |
| 224 | sub w4, w4, w14 |
| 225 | add w4, w4, #64 |
| 226 | b.eq 2f |
| 227 | |
| 228 | dup v24.8B, w4 |
| 229 | dup v25.8B, w12 |
| 230 | ld1 {v4.8B}, [x1], x2 |
| 231 | dup v26.8B, w6 |
| 232 | dup v27.8B, w7 |
| 233 | ext v5.8B, v4.8B, v5.8B, #1 |
| 234 | trn1 v0.2S, v24.2S, v25.2S |
| 235 | trn1 v2.2S, v26.2S, v27.2S |
| 236 | trn1 v4.2S, v4.2S, v5.2S |
| 237 | 1: ld1 {v6.8B}, [x1], x2 |
| 238 | ext v7.8B, v6.8B, v7.8B, #1 |
| 239 | trn1 v6.2S, v6.2S, v7.2S |
| 240 | umull v18.8H, v4.8B, v0.8B |
| 241 | umlal v18.8H, v6.8B, v2.8B |
| 242 | ld1 {v4.8B}, [x1], x2 |
| 243 | ext v5.8B, v4.8B, v5.8B, #1 |
| 244 | trn1 v4.2S, v4.2S, v5.2S |
| 245 | prfm pldl1strm, [x1] |
| 246 | umull v19.8H, v6.8B, v0.8B |
| 247 | umlal v19.8H, v4.8B, v2.8B |
| 248 | trn1 v30.2D, v18.2D, v19.2D |
| 249 | trn2 v31.2D, v18.2D, v19.2D |
| 250 | add v18.8H, v30.8H, v31.8H |
| 251 | .ifc \codec,h264 |
| 252 | rshrn v16.8B, v18.8H, #6 |
| 253 | .else |
| 254 | add v18.8H, v18.8H, v22.8H |
| 255 | shrn v16.8B, v18.8H, #6 |
| 256 | .endif |
| 257 | subs w3, w3, #2 |
| 258 | prfm pldl1strm, [x1, x2] |
| 259 | .ifc \type,avg |
| 260 | ld1 {v20.S}[0], [x8], x2 |
| 261 | ld1 {v20.S}[1], [x8], x2 |
| 262 | urhadd v16.8B, v16.8B, v20.8B |
| 263 | .endif |
| 264 | st1 {v16.S}[0], [x0], x2 |
| 265 | st1 {v16.S}[1], [x0], x2 |
| 266 | b.gt 1b |
| 267 | ret |
| 268 | |
| 269 | 2: adds w12, w12, w6 |
| 270 | dup v30.8B, w4 |
| 271 | b.eq 5f |
| 272 | tst w6, w6 |
| 273 | dup v31.8B, w12 |
| 274 | trn1 v0.2S, v30.2S, v31.2S |
| 275 | trn2 v1.2S, v30.2S, v31.2S |
| 276 | b.eq 4f |
| 277 | |
| 278 | ext v1.8B, v0.8B, v1.8B, #4 |
| 279 | ld1 {v4.S}[0], [x1], x2 |
| 280 | 3: ld1 {v4.S}[1], [x1], x2 |
| 281 | umull v18.8H, v4.8B, v0.8B |
| 282 | ld1 {v4.S}[0], [x1], x2 |
| 283 | umull v19.8H, v4.8B, v1.8B |
| 284 | trn1 v30.2D, v18.2D, v19.2D |
| 285 | trn2 v31.2D, v18.2D, v19.2D |
| 286 | add v18.8H, v30.8H, v31.8H |
| 287 | prfm pldl1strm, [x1] |
| 288 | .ifc \codec,h264 |
| 289 | rshrn v16.8B, v18.8H, #6 |
| 290 | .else |
| 291 | add v18.8H, v18.8H, v22.8H |
| 292 | shrn v16.8B, v18.8H, #6 |
| 293 | .endif |
| 294 | .ifc \type,avg |
| 295 | ld1 {v20.S}[0], [x8], x2 |
| 296 | ld1 {v20.S}[1], [x8], x2 |
| 297 | urhadd v16.8B, v16.8B, v20.8B |
| 298 | .endif |
| 299 | subs w3, w3, #2 |
| 300 | prfm pldl1strm, [x1, x2] |
| 301 | st1 {v16.S}[0], [x0], x2 |
| 302 | st1 {v16.S}[1], [x0], x2 |
| 303 | b.gt 3b |
| 304 | ret |
| 305 | |
| 306 | 4: ld1 {v4.8B}, [x1], x2 |
| 307 | ld1 {v6.8B}, [x1], x2 |
| 308 | ext v5.8B, v4.8B, v5.8B, #1 |
| 309 | ext v7.8B, v6.8B, v7.8B, #1 |
| 310 | trn1 v4.2S, v4.2S, v5.2S |
| 311 | trn1 v6.2S, v6.2S, v7.2S |
| 312 | umull v18.8H, v4.8B, v0.8B |
| 313 | umull v19.8H, v6.8B, v0.8B |
| 314 | subs w3, w3, #2 |
| 315 | trn1 v30.2D, v18.2D, v19.2D |
| 316 | trn2 v31.2D, v18.2D, v19.2D |
| 317 | add v18.8H, v30.8H, v31.8H |
| 318 | prfm pldl1strm, [x1] |
| 319 | .ifc \codec,h264 |
| 320 | rshrn v16.8B, v18.8H, #6 |
| 321 | .else |
| 322 | add v18.8H, v18.8H, v22.8H |
| 323 | shrn v16.8B, v18.8H, #6 |
| 324 | .endif |
| 325 | .ifc \type,avg |
| 326 | ld1 {v20.S}[0], [x8], x2 |
| 327 | ld1 {v20.S}[1], [x8], x2 |
| 328 | urhadd v16.8B, v16.8B, v20.8B |
| 329 | .endif |
| 330 | prfm pldl1strm, [x1] |
| 331 | st1 {v16.S}[0], [x0], x2 |
| 332 | st1 {v16.S}[1], [x0], x2 |
| 333 | b.gt 4b |
| 334 | ret |
| 335 | |
| 336 | 5: ld1 {v4.S}[0], [x1], x2 |
| 337 | ld1 {v4.S}[1], [x1], x2 |
| 338 | umull v18.8H, v4.8B, v30.8B |
| 339 | subs w3, w3, #2 |
| 340 | prfm pldl1strm, [x1] |
| 341 | .ifc \codec,h264 |
| 342 | rshrn v16.8B, v18.8H, #6 |
| 343 | .else |
| 344 | add v18.8H, v18.8H, v22.8H |
| 345 | shrn v16.8B, v18.8H, #6 |
| 346 | .endif |
| 347 | .ifc \type,avg |
| 348 | ld1 {v20.S}[0], [x8], x2 |
| 349 | ld1 {v20.S}[1], [x8], x2 |
| 350 | urhadd v16.8B, v16.8B, v20.8B |
| 351 | .endif |
| 352 | prfm pldl1strm, [x1] |
| 353 | st1 {v16.S}[0], [x0], x2 |
| 354 | st1 {v16.S}[1], [x0], x2 |
| 355 | b.gt 5b |
| 356 | ret |
| 357 | endfunc |
| 358 | .endm |
| 359 | |
| 360 | .macro h264_chroma_mc2 type |
| 361 | function ff_\type\()_h264_chroma_mc2_neon, export=1 |
| 362 | sxtw x2, w2 |
| 363 | prfm pldl1strm, [x1] |
| 364 | prfm pldl1strm, [x1, x2] |
| 365 | orr w7, w4, w5 |
| 366 | cbz w7, 2f |
| 367 | |
| 368 | mul w7, w4, w5 |
| 369 | lsl w14, w5, #3 |
| 370 | lsl w13, w4, #3 |
| 371 | sub w6, w14, w7 |
| 372 | sub w12, w13, w7 |
| 373 | sub w4, w7, w13 |
| 374 | sub w4, w4, w14 |
| 375 | add w4, w4, #64 |
| 376 | dup v0.8B, w4 |
| 377 | dup v2.8B, w12 |
| 378 | dup v1.8B, w6 |
| 379 | dup v3.8B, w7 |
| 380 | trn1 v0.4H, v0.4H, v2.4H |
| 381 | trn1 v1.4H, v1.4H, v3.4H |
| 382 | 1: |
| 383 | ld1 {v4.S}[0], [x1], x2 |
| 384 | ld1 {v4.S}[1], [x1], x2 |
| 385 | rev64 v5.2S, v4.2S |
| 386 | ld1 {v5.S}[1], [x1] |
| 387 | ext v6.8B, v4.8B, v5.8B, #1 |
| 388 | ext v7.8B, v5.8B, v4.8B, #1 |
| 389 | trn1 v4.4H, v4.4H, v6.4H |
| 390 | trn1 v5.4H, v5.4H, v7.4H |
| 391 | umull v16.8H, v4.8B, v0.8B |
| 392 | umlal v16.8H, v5.8B, v1.8B |
| 393 | .ifc \type,avg |
| 394 | ld1 {v18.H}[0], [x0], x2 |
| 395 | ld1 {v18.H}[2], [x0] |
| 396 | sub x0, x0, x2 |
| 397 | .endif |
| 398 | rev64 v17.4S, v16.4S |
| 399 | add v16.8H, v16.8H, v17.8H |
| 400 | rshrn v16.8B, v16.8H, #6 |
| 401 | .ifc \type,avg |
| 402 | urhadd v16.8B, v16.8B, v18.8B |
| 403 | .endif |
| 404 | st1 {v16.H}[0], [x0], x2 |
| 405 | st1 {v16.H}[2], [x0], x2 |
| 406 | subs w3, w3, #2 |
| 407 | b.gt 1b |
| 408 | ret |
| 409 | |
| 410 | 2: |
| 411 | ld1 {v16.H}[0], [x1], x2 |
| 412 | ld1 {v16.H}[1], [x1], x2 |
| 413 | .ifc \type,avg |
| 414 | ld1 {v18.H}[0], [x0], x2 |
| 415 | ld1 {v18.H}[1], [x0] |
| 416 | sub x0, x0, x2 |
| 417 | urhadd v16.8B, v16.8B, v18.8B |
| 418 | .endif |
| 419 | st1 {v16.H}[0], [x0], x2 |
| 420 | st1 {v16.H}[1], [x0], x2 |
| 421 | subs w3, w3, #2 |
| 422 | b.gt 2b |
| 423 | ret |
| 424 | endfunc |
| 425 | .endm |
| 426 | |
| 427 | h264_chroma_mc8 put |
| 428 | h264_chroma_mc8 avg |
| 429 | h264_chroma_mc4 put |
| 430 | h264_chroma_mc4 avg |
| 431 | h264_chroma_mc2 put |
| 432 | h264_chroma_mc2 avg |
| 433 | |
| 434 | #if CONFIG_RV40_DECODER |
| 435 | const rv40bias |
| 436 | .short 0, 16, 32, 16 |
| 437 | .short 32, 28, 32, 28 |
| 438 | .short 0, 32, 16, 32 |
| 439 | .short 32, 28, 32, 28 |
| 440 | endconst |
| 441 | |
| 442 | h264_chroma_mc8 put, rv40 |
| 443 | h264_chroma_mc8 avg, rv40 |
| 444 | h264_chroma_mc4 put, rv40 |
| 445 | h264_chroma_mc4 avg, rv40 |
| 446 | #endif |
| 447 | |
| 448 | #if CONFIG_VC1_DECODER |
| 449 | h264_chroma_mc8 put, vc1 |
| 450 | h264_chroma_mc8 avg, vc1 |
| 451 | h264_chroma_mc4 put, vc1 |
| 452 | h264_chroma_mc4 avg, vc1 |
| 453 | #endif |